1. Environmentally friendly Rubber and PVC wires, Pure copper VDE certified, no mixing aluminum or other metals

2. Glue Cap with IP67 Waterproof, Skilled workmanship, Less Bubbles

3. PC cap is better than PS cap, not easy to break and No Yellow color

4. Fast connection with male and female connectors, can be extended

5. Large capacity rectifier, can connect more

6. High brightness LEDs, used for Project with less decay